Finding the Fourth Proportional to 4,919,139.75, 6,788,380.10 and 2,714,116.14
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Solution
The fourth proportional to 4,919,139.75, 6,788,380.10 and 2,714,116.14 is: 3,745,462.20
Step by Step Solution
- Step 1: Write the proportion equation
4,919,139.75 : 6,788,380.10 = 2,714,116.14 : x - Step 2: Convert to fraction form
4,919,139.75/6,788,380.10 = 2,714,116.14/x - Step 3: Cross multiply
4,919,139.75x = 6,788,380.10 × 2,714,116.14 - Step 4: Simplify right side
4,919,139.75x = 18,424,451,980,294.23 - Step 5: Solve for x
x = 18,424,451,980,294.23/4,919,139.75 - Step 6: Final answer
x = 3,745,462.20
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.